/* 导航 */
.nav>ul li:nth-child(7)::after {
  /* 导航li经过时，填充下面的颜色条 */
  content: '';
  display: block;
  width: 120px;
  height: 4px;
  background-color: #47a9e2;
  position: absolute;
  bottom: 0;
}

.nav>ul>li:nth-child(7) a {
  color: #296c93;
}

.main_out {
  background-color: #f2f2f2;
  padding-bottom: 245px;
}

.main {
  width: 1200px;
  margin: 0 auto;

}

.main .title {
  width: 330px;
  height: 130px;
  text-align: center;
  overflow: hidden;
  background: url(../images/contactus/bg_01.jpg) no-repeat;
  position: relative;
  top: -47px;
}

.main .title h1 {
  font-size: 30px;
  margin-top: 41px;
}

.main .title h3 {
  font-size: 14px;
  color: #707070;
}

#allmap {
  width: 100%;
  height: 600px;
  overflow: hidden;
  margin: 0;
  font-family: "微软雅黑";
}